The Soviet R-7 Semyorka, the world’s first Intercontinental ballistic missile, became operational.
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Smith and Wesson patented the first metal bullet cartridges.
The US tested the TX-17 thermonuclear bomb for the first time in Bikini Atoll of the Marshall Islands.
The United States and Russia signed the Moscow Treaty, agreeing to limit their nuclear arsenals.
Citizens of Bikini Island evacuated for nuclear testing.
India had their first successful nuclear bomb test.
